Evolution 3S2 is rare great performance 2 way car audio speaker as claimed by Janne Soilakari from Finland Autosound magazine. Sound characteristic is a correction of the mistakes in the recording, providing a pleasant music throughout any recording and the tweeter is very clear and straight forward. Janne Soilakari gives listening rating 9 out of 10. Evolution 3S2’s passive crossover uses Europe and USA component with 100% hand picked to design value, with zero tolerance, so that customer can hear the same thing as Evolution 3S2 designer. Bi-wire (2 input) for separate time alignment and gain between tweeter and midwoofer perfecting the design of Evolution 3S2.